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Article: Optimal quantum pump in the presence of a superconducting lead

TitleOptimal quantum pump in the presence of a superconducting lead
Authors
Wang, BWang, J
KeywordsPhysics
Issue Date2002
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter), 2002, v. 66 n. 20, article no. 201305 How to Cite?
DOI: http://dx.doi.org/10.1103/PhysRevB.66.201305
AbstractWe investigate the parametric pumping of a hybrid structure consisting of a normal quantum dot, a normal lead, and a superconducting lead. Using the time-dependent scattering matrix theory, we have derived a general expression for the pumped electric current and heat current. We have also derived the relationship among the instantaneous heat current generated by the pump, electric current, and the noise. This gives a lower bound for the heat current generated in the hybrid system similar to that of the normal case obtained by Avron et al. [Phys. Rev. Lett. 87, 236601 (2001)].
Persistent Identifierhttp://hdl.handle.net/10722/43368
ISSN
0163-1829
ISI Accession Number ID
WOS:000179773900009

 

DC FieldValueLanguage
dc.contributor.authorWang, Ben_HK
dc.contributor.authorWang, Jen_HK
dc.date.accessioned2007-03-23T04:44:24Z-
dc.date.available2007-03-23T04:44:24Z-
dc.date.issued2002en_HK
dc.identifier.citationPhysical Review B (Condensed Matter), 2002, v. 66 n. 20, article no. 201305-
dc.identifier.issn0163-1829-
dc.identifier.urihttp://hdl.handle.net/10722/43368-
dc.description.abstractWe investigate the parametric pumping of a hybrid structure consisting of a normal quantum dot, a normal lead, and a superconducting lead. Using the time-dependent scattering matrix theory, we have derived a general expression for the pumped electric current and heat current. We have also derived the relationship among the instantaneous heat current generated by the pump, electric current, and the noise. This gives a lower bound for the heat current generated in the hybrid system similar to that of the normal case obtained by Avron et al. [Phys. Rev. Lett. 87, 236601 (2001)].en_HK
dc.format.extent60208 bytes-
dc.format.extent25600 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/msword-
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/en_HK
dc.relation.ispartofPhysical Review B (Condensed Matter)-
dc.rightsCopyright 2002 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevB.66.201305-
dc.subjectPhysicsen_HK
dc.titleOptimal quantum pump in the presence of a superconducting leaden_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=66&issue=20&spage=201305:1&epage=4&date=2002&atitle=Optimal+quantum+pump+in+the+presence+of+a+superconducting+leaden_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.66.201305en_HK
dc.identifier.scopuseid_2-s2.0-0037113461-
dc.identifier.hkuros75067-
dc.identifier.volume66-
dc.identifier.issue20-
dc.identifier.spagearticle no. 201305-
dc.identifier.epagearticle no. 201305-
dc.identifier.isiWOS:000179773900009-
dc.identifier.issnl0163-1829-

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